REVISED LOCAL STRESS-STRAIN METHOD FOR CALCULATION OF LOW AND HIGH CYCLE FATIGUE LIFE OF TURBINE BLADES PART 1 MODEL AND METHOD

doi:10.19666/j.rlfd.1997.04.003

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REVISED LOCAL STRESS-STRAIN METHOD FOR CALCULATION OF LOW AND HIGH CYCLE FATIGUE LIFE OF TURBINE BLADES PART 1 MODEL AND METHOD

Thermal Power Generation Issue 4, Pages: 9-14(1997)

更新时间：2025-09-28

- REVISED LOCAL STRESS-STRAIN METHOD FOR CALCULATION OF LOW AND HIGH CYCLE FATIGUE LIFE OF TURBINE BLADES PART 1 MODEL AND METHOD
- 作者机构：
  
  1. 电力部热工研究院,西安
  2. ,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.1997.04.003
  CLC： TK26
- Published：1997
- 稿件说明：
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REVISED LOCAL STRESS-STRAIN METHOD FOR CALCULATION OF LOW AND HIGH CYCLE FATIGUE LIFE OF TURBINE BLADES PART 1 MODEL AND METHOD[J]. Thermal Power Generation, 1997, (4): 9-14.
DOI：

REVISED LOCAL STRESS-STRAIN METHOD FOR CALCULATION OF LOW AND HIGH CYCLE FATIGUE LIFE OF TURBINE BLADES PART 1 MODEL AND METHOD[J]. Thermal Power Generation, 1997, (4): 9-14. DOI： 10.19666/j.rlfd.1997.04.003.

摘要

在研究和分析叶片所承受的高、低周载荷的基础上，建立了叶片的疲劳载荷谱，研究了影响叶片疲劳寿命的主要因素；并对局部应力应变法进行了改进，建立了用改进的局部应力应变法计算叶片低周和高周疲劳裂纹萌生寿命的模型、方法和软件，这种模型和方法可以计及叶片表面状况、腐蚀疲劳、材料晶粒度等因素的影响。

Abstract

Based on the analysis of high cycle and low cycle loads

a blade load spectrum has been setup

factors influencing on the fafigue life studied and the local stress-strain life estimation method revised. By using this revised method

the blade high cycle and low cycle fatigue life calculation model and program are completed. In this model the influences of surface conditions

material structure and medium corrosion are considered.

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